Index Catalog // ScholarsArchive@OSU

The role of rock resistance and rock uplift on topographic relief and river longitudinal profiles in the coastal mountains of Oregon and a landscape-scale test for steady-state conditions

Creator:: VanLaningham, Sam J.
Abstract:: Analysis of topographic and river morphometric parameters was conducted using digital elevation models (DEMs) and field observations in order to determine the role of variable rock resistance on topographic relief, to examine how spatially and temporally variable rock uplift rates relate to river morphology, and to address the degree to...
Resource Type:: Masters Thesis

Structural geology and dislocation modeling of the East Coyote anticline, eastern Los Angles basin

Creator:: Myers, Daniel J.
Abstract:: The 1994 Northridge and 1987 Whittier Narrows earthquakes warned Los Angeles residents of the threat of earthquakes due to unmapped, blind reverse faults and emphasized the importance of identifying and characterizing blind reverse faults in assessing the seismic hazard to the region. The East and West Coyote Hills in the...
Resource Type:: Masters Thesis

Role of the Sisters Fault Zone in the Separation of Siletzia from the Cascadia Backarc

Creator:: Mark-Moser, MacKenzie
Abstract:: Oblique subduction of the Juan de Fuca plate beneath the North American plate characterizes the tectonic setting of the Pacific Northwest. North American plate deformation at the latitude of central Oregon consists of the clockwise-rotation of the Siletzia block in the forearc and the extensional Basin and Range province in...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Andrew J. Meigs Oblique subduction of the Juan de Fuca plate beneath the North American

Seismotectonics in the eastern Precordillera, San Juan, Argentina : reconciling earthquakes and structural geology in the vicinity of the 1944 earthquake for a new model of crustal-scale deformation

Creator:: Schiffman, Celia Rose
Abstract:: This thesis synthesizes surficial structural data, a detailed analysis of an earthquake in 1944, and historical seismicity into a new model of crustal scale deformation in the eastern Precordillera in northwestern Argentina in the vicinity of San Juan. The eastern Precordillera was uplifted during previous thin-skinned deformation episodes, and is...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ Andrew J. Meigs This thesis synthesizes surficial structural data, a detailed analysis of

The termination of the Basin and Range Province into a clockwise rotating region of transtension and volcanism, central Oregon

Creator:: Trench, David
Abstract:: Normal faults characterizing extensional provinces may terminate along-strike at regions of zero extension, at zones of transform faults, or at triple junctions. Termination of the Basin and Range extensional province in southeastern Oregon is thought to occur by right-lateral transform motion distributed across the Brothers Fault zone (BFZ) in central...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ___________________________________________________________________ Andrew J

Reconstructing northern Alaska : crustal-scale evolution of the central Brooks Range

Creator:: Williams, Jonathan D.
Abstract:: Kinematic tectonic models constrained by Airy isostatic equilibrium demonstrate the crustal-scale evolution of the Brooks Range during ocean basin closure, arc-continent collision, and exhumation of the orogen. The Bouguer gravity anomaly low that develops across the orogen is related by wavelength to the amount of shortening during collision, and by...
Resource Type:: Masters Thesis
Full Text:: providing me with a challenging project that investigated a phenomenal part of Alaska • Dr. Andrew Meigs

Geologic structure and exhumation accompanying Yakutat terrane collision, southern Alaska

Creator:: Johnston, Sarah A.
Abstract:: The climatic and tectonic framework of the St. Elias orogen makes it an excellent place to study the interactions between tectonic processes such as deformation and erosive processes, in particular glacial erosion. One type of link between these processes, proposed by numerical models of orogenic development, is an effect of...
Resource Type:: Masters Thesis
Full Text:: : Andrew J. Meigs The climatic and tectonic framework of the St. Elias orogen makes it an excellent

Fold growth due to kink-band migration in repeated earthquakes, Sierra de Villicum, San Juan, Argentina

Creator:: Krugh, William C.
Abstract:: Growth strata geometries and deformed geomorphic surfaces reflect the shorttimescale growth of Sierra de Villicum (San Juan Province, Argentina). Accumulated deformation in repeated earthquakes is recorded by the structural geometry of deformed geomorphic surfaces. Through geologic mapping and topographic surveying, six strath terraces were identified on the eastern flank of...
Resource Type:: Masters Thesis
Full Text:: approved: Andrew J. Meigs Growth strata geometries and deformed geomorphic surfaces reflect the short

Debris flows in glaciated catchments : a case study on Mount Rainier, Washington

Creator:: Legg, Nicholas T.
Abstract:: Debris flows, which occur in mountain settings worldwide, have been particularly damaging in the glaciated basins flanking the stratovolcanoes in the Cascade Range of the northwestern United States. This thesis contains two manuscripts that respectively investigate the (1) initiation processes of debris flows in these glaciated catchments, and (2) debris...
Resource Type:: Masters Thesis
Full Text:: : ____________________________________________________________________________ Andrew J. Meigs Debris flows, which occur in mountain settings worldwide, have been

Can growth strata identify individual paleoearthquakes and characterize fold kinematics? A case study from the La Laja fault system, Sierra de Villicum, Argentina

Creator:: Schultz, Emily S.
Abstract:: A large, damaging earthquake in 1944 on a blind thrust fault caused 60 cm of surface rupture on the subsidiary La Laja fault and additional unmeasured growth of an associated backlimb fold. Both the fold and fault are components of the La Laja Fault System (LLFS) located 25 km northeast...
Resource Type:: Masters Thesis
Full Text:: Study from the La Laja Fault System, Sierra de Villicum, Argentina Abstract approved: Andrew J

ScholarsArchive@OSU

The role of rock resistance and rock uplift on topographic relief and river longitudinal profiles in the coastal mountains of Oregon and a landscape-scale test for steady-state conditions

Structural geology and dislocation modeling of the East Coyote anticline, eastern Los Angles basin

Role of the Sisters Fault Zone in the Separation of Siletzia from the Cascadia Backarc

Seismotectonics in the eastern Precordillera, San Juan, Argentina : reconciling earthquakes and structural geology in the vicinity of the 1944 earthquake for a new model of crustal-scale deformation

The termination of the Basin and Range Province into a clockwise rotating region of transtension and volcanism, central Oregon

Reconstructing northern Alaska : crustal-scale evolution of the central Brooks Range

Geologic structure and exhumation accompanying Yakutat terrane collision, southern Alaska

Fold growth due to kink-band migration in repeated earthquakes, Sierra de Villicum, San Juan, Argentina

Debris flows in glaciated catchments : a case study on Mount Rainier, Washington

Can growth strata identify individual paleoearthquakes and characterize fold kinematics? A case study from the La Laja fault system, Sierra de Villicum, Argentina

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